About the Technical Reviewers

Stephen Kalman is a data security trainer. He is the author or tech editor of more than 20 books, courses, and CBT titles. His most recent book is Web Security Field Guide, published by Cisco Press. In addition to those responsibilities, he runs a consulting company, Esquire Micro Consultants, that specializes in network security. Mr. Kalman holds CISSP, CEH, CCNA, CCDA, A+, Network+, and Security+ certifications and is a member of the New York State Bar.

Doug McKillip, P.E., CCIE No. 1851, is president of Innovative Integrators Inc., specializing in network security consulting and training with an emphasis on routers, firewalls, VPNs, and IDS devices from Cisco Systems. Mr. McKillip has over 10 years of experience in Cisco certified training for Global Knowledge, is a leading worldwide Cisco Learning Partner, and has edited numerous books published by Cisco Press. He holds a BS/MS degree in chemical engineering from M.I.T. and an MS degree in computer and information sciences from the University of Delaware.

Gilles Piché is a security consultant in the Ottawa (Canada) area. He has provided consulting services for the Canadian federal government and major corporations in Canada for the past 15 years. Gilles has provided technical editing services to Cisco Press for a number of Cisco PIX Firewall books. In the past, he has also taught Cisco and other security courses to industry professionals in Canada.